Kleenex tissues were originally used as filters in gas masks.
46
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Any modern jet is capable of breaking the sound barrier.
34
Jumbo jets use 4,000 gallons of fuel to take off.
19
A toaster uses almost half as much energy as a full-sized oven.
33